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Finding the Fourth Proportional to 450,177.08, 621,109.50 and 259,185.56

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Solution

The fourth proportional to 450,177.08, 621,109.50 and 259,185.56 is: 357,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,177.08 : 621,109.50 = 259,185.56 : x
  2. Step 2: Convert to fraction form
    450,177.08/621,109.50 = 259,185.56/x
  3. Step 3: Cross multiply
    450,177.08x = 621,109.50 × 259,185.56
  4. Step 4: Simplify right side
    450,177.08x = 160,982,613,578.82
  5. Step 5: Solve for x
    x = 160,982,613,578.82/450,177.08
  6. Step 6: Final answer
    x = 357,598.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.